@angular/cdk/fesm2022/_directionality-chunk.mjs.map

Angular Material Component Development Kit

{"version":3,"file":"_directionality-chunk.mjs","sources":["../../../../../darwin_arm64-fastbuild-ST-fdfa778d11ba/bin/src/cdk/bidi/dir-document-token.ts","../../../../../darwin_arm64-fastbuild-ST-fdfa778d11ba/bin/src/cdk/bidi/directionality.ts"],"sourcesContent":["/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {inject, InjectionToken, DOCUMENT} from '@angular/core';\n\n/**\n * Injection token used to inject the document into Directionality.\n * This is used so that the value can be faked in tests.\n *\n * We can't use the real document in tests because changing the real `dir` causes geometry-based\n * tests in Safari to fail.\n *\n * We also can't re-provide the DOCUMENT token from platform-browser because the unit tests\n * themselves use things like `querySelector` in test code.\n *\n * This token is defined in a separate file from Directionality as a workaround for\n * https://github.com/angular/angular/issues/22559\n *\n * @docs-private\n */\nexport const DIR_DOCUMENT = new InjectionToken<Document>('cdk-dir-doc', {\n  providedIn: 'root',\n  factory: () => inject(DOCUMENT),\n});\n","/**\n * @license\n * Copyright Google LLC All Rights Reserved.\n *\n * Use of this source code is governed by an MIT-style license that can be\n * found in the LICENSE file at https://angular.dev/license\n */\n\nimport {EventEmitter, Injectable, OnDestroy, inject, signal} from '@angular/core';\nimport {DIR_DOCUMENT} from './dir-document-token';\n\nexport type Direction = 'ltr' | 'rtl';\n\n/** Regex that matches locales with an RTL script. Taken from `goog.i18n.bidi.isRtlLanguage`. */\nconst RTL_LOCALE_PATTERN =\n  /^(ar|ckb|dv|he|iw|fa|nqo|ps|sd|ug|ur|yi|.*[-_](Adlm|Arab|Hebr|Nkoo|Rohg|Thaa))(?!.*[-_](Latn|Cyrl)($|-|_))($|-|_)/i;\n\n/** Resolves a string value to a specific direction. */\nexport function _resolveDirectionality(rawValue: string): Direction {\n  const value = rawValue?.toLowerCase() || '';\n\n  if (value === 'auto' && typeof navigator !== 'undefined' && navigator?.language) {\n    return RTL_LOCALE_PATTERN.test(navigator.language) ? 'rtl' : 'ltr';\n  }\n\n  return value === 'rtl' ? 'rtl' : 'ltr';\n}\n\n/**\n * The directionality (LTR / RTL) context for the application (or a subtree of it).\n * Exposes the current direction and a stream of direction changes.\n */\n@Injectable({providedIn: 'root'})\nexport class Directionality implements OnDestroy {\n  /** The current 'ltr' or 'rtl' value. */\n  get value() {\n    return this.valueSignal();\n  }\n\n  /**\n   * The current 'ltr' or 'rtl' value.\n   */\n  readonly valueSignal = signal<Direction>('ltr');\n\n  /** Stream that emits whenever the 'ltr' / 'rtl' state changes. */\n  readonly change = new EventEmitter<Direction>();\n\n  constructor(...args: unknown[]);\n\n  constructor() {\n    const _document = inject(DIR_DOCUMENT, {optional: true});\n\n    if (_document) {\n      const bodyDir = _document.body ? _document.body.dir : null;\n      const htmlDir = _document.documentElement ? _document.documentElement.dir : null;\n      this.valueSignal.set(_resolveDirectionality(bodyDir || htmlDir || 'ltr'));\n    }\n  }\n\n  ngOnDestroy() {\n    this.change.complete();\n  }\n}\n"],"names":["DIR_DOCUMENT","InjectionToken","providedIn","factory","inject","DOCUMENT","RTL_LOCALE_PATTERN","_resolveDirectionality","rawValue","value","toLowerCase","navigator","language","test","Directionality","valueSignal","signal","change","EventEmitter","constructor","_document","optional","bodyDir","body","dir","htmlDir","documentElement","set","ngOnDestroy","complete","deps","target","i0","ɵɵFactoryTarget","Injectable","ɵprov","ɵɵngDeclareInjectable","minVersion","version","ngImport","type","decorators"],"mappings":";;;MAyBaA,YAAY,GAAG,IAAIC,cAAc,CAAW,aAAa,EAAE;AACtEC,EAAAA,UAAU,EAAE,MAAM;AAClBC,EAAAA,OAAO,EAAEA,MAAMC,MAAM,CAACC,QAAQ;AAC/B,CAAA;;ACdD,MAAMC,kBAAkB,GACtB,oHAAoH;AAGhH,SAAUC,sBAAsBA,CAACC,QAAgB,EAAA;EACrD,MAAMC,KAAK,GAAGD,QAAQ,EAAEE,WAAW,EAAE,IAAI,EAAE;AAE3C,EAAA,IAAID,KAAK,KAAK,MAAM,IAAI,OAAOE,SAAS,KAAK,WAAW,IAAIA,SAAS,EAAEC,QAAQ,EAAE;IAC/E,OAAON,kBAAkB,CAACO,IAAI,CAACF,SAAS,CAACC,QAAQ,CAAC,GAAG,KAAK,GAAG,KAAK;AACpE;AAEA,EAAA,OAAOH,KAAK,KAAK,KAAK,GAAG,KAAK,GAAG,KAAK;AACxC;MAOaK,cAAc,CAAA;EAEzB,IAAIL,KAAKA,GAAA;AACP,IAAA,OAAO,IAAI,CAACM,WAAW,EAAE;AAC3B;EAKSA,WAAW,GAAGC,MAAM,CAAY,KAAK;;WAAC;AAGtCC,EAAAA,MAAM,GAAG,IAAIC,YAAY,EAAa;AAI/CC,EAAAA,WAAAA,GAAA;AACE,IAAA,MAAMC,SAAS,GAAGhB,MAAM,CAACJ,YAAY,EAAE;AAACqB,MAAAA,QAAQ,EAAE;AAAK,KAAA,CAAC;AAExD,IAAA,IAAID,SAAS,EAAE;AACb,MAAA,MAAME,OAAO,GAAGF,SAAS,CAACG,IAAI,GAAGH,SAAS,CAACG,IAAI,CAACC,GAAG,GAAG,IAAI;AAC1D,MAAA,MAAMC,OAAO,GAAGL,SAAS,CAACM,eAAe,GAAGN,SAAS,CAACM,eAAe,CAACF,GAAG,GAAG,IAAI;AAChF,MAAA,IAAI,CAACT,WAAW,CAACY,GAAG,CAACpB,sBAAsB,CAACe,OAAO,IAAIG,OAAO,IAAI,KAAK,CAAC,CAAC;AAC3E;AACF;AAEAG,EAAAA,WAAWA,GAAA;AACT,IAAA,IAAI,CAACX,MAAM,CAACY,QAAQ,EAAE;AACxB;;;;;UA5BWf,cAAc;AAAAgB,IAAAA,IAAA,EAAA,EAAA;AAAAC,IAAAA,MAAA,EAAAC,EAAA,CAAAC,eAAA,CAAAC;AAAA,GAAA,CAAA;AAAd,EAAA,OAAAC,KAAA,GAAAH,EAAA,CAAAI,qBAAA,CAAA;AAAAC,IAAAA,UAAA,EAAA,QAAA;AAAAC,IAAAA,OAAA,EAAA,QAAA;AAAAC,IAAAA,QAAA,EAAAP,EAAA;AAAAQ,IAAAA,IAAA,EAAA1B,cAAc;gBADF;AAAM,GAAA,CAAA;;;;;;QAClBA,cAAc;AAAA2B,EAAAA,UAAA,EAAA,CAAA;UAD1BP,UAAU;WAAC;AAAChC,MAAAA,UAAU,EAAE;KAAO;;;;;;;"}